altos: Add 64-bit subtraction

[fw/altos] / src / core / ao_int64.h

diff --git a/src/core/ao_int64.h b/src/core/ao_int64.h
index e5eee823b9e6ea0e3e1031d2c22aa9a8d21cdba7..cf12f0d84d46788848835e9021952f1d292ebc9a 100644 (file)
--- a/src/core/ao_int64.h
+++ b/src/core/ao_int64.h
@@ -26,6 +26,7 @@ typedef struct {
 } ao_int64_t;
 
 void ao_plus64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
+void ao_minus64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
 void ao_neg64(ao_int64_t *r, ao_int64_t *a);
 void ao_lshift64_16(ao_int64_t *r, uint16_t a, uint8_t d);
 void ao_rshift64(ao_int64_t *r, ao_int64_t *a, uint8_t d);
@@ -33,6 +34,7 @@ void ao_lshift64(ao_int64_t *r, ao_int64_t *a, uint8_t d);
 void ao_mul64_64_64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
 void ao_mul64_32_32(ao_int64_t *r, int32_t a, int32_t b);
 void ao_mul64_64_16(ao_int64_t *r, ao_int64_t *a, uint16_t b);
+void ao_mul64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
 
 #define ao_int64_init32(r, a) (((r)->high = 0), (r)->low = (a))
 #define ao_int64_init64(r, a, b) (((r)->high = (a)), (r)->low = (b))